<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>play</title>
	<script type="text/javascript" src="./jquery-2.1.1.min.js"></script>
	<script type="text/javascript">
		$(function(){
			var length = $('.ban-list').width();
			console.log(length);
			$('.ban-list').
		});
	</script>
	<style type="text/css">
		*{
			margin: 0;
			padding: 0;
		}
		li{
			width: 1440px;
			height: 520px;
			list-style-type: none;
		}
		#ban{
			width: 1440px;
			height: 520px;
			/*border: px solid #000;*/
		}
	</style>
</head>
<body>
	<div id="ban">
		<ul class="ban-list">
			<li><img src="img/147453149619_1440x520.jpg"></li>
			<li><img src="img/147340939568_1440x520.jpg"></li>
			<li><img src="img/147443063122_1440x520.jpg"></li>
			<li><img src="img/147382076614_1440x520_10.jpg"></li>
		</ul>
	</div>
</body>
</html>